#include<bits/stdc++.h>

using namespace std;
using ll = long long;
#define endl '\n'

template<typename T=int>
inline T read() {
    T x;
    cin >> x;
    return x;
}

struct Item {
    int begin, end;

    bool operator<(const Item &that) {
        return this->end < that.end;

    }

    friend bool operator<(const Item &a, const Item &b) {
        return a.end < b.end;
    }
};


int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    return 0;
}
